﻿using System.IO;
using Microsoft.VisualStudio.TestTools.UnitTesting;

namespace NazTek.Extension.Clr4.Test
{
    /// <summary>
    ///This is a test class for FileInfoExtensionTest and is intended
    ///to contain all FileInfoExtensionTest Unit Tests
    ///</summary>
    [TestClass()]
    public class FileInfoExtensionTest
    {
        private TestContext testContextInstance;

        /// <summary>
        ///Gets or sets the test context which provides
        ///information about and functionality for the current test run.
        ///</summary>
        public TestContext TestContext
        {
            get
            {
                return testContextInstance;
            }
            set
            {
                testContextInstance = value;
            }
        }

        #region Additional test attributes
        // 
        //You can use the following additional attributes as you write your tests:
        //
        //Use ClassInitialize to run code before running the first test in the class
        //[ClassInitialize()]
        //public static void MyClassInitialize(TestContext testContext)
        //{
        //}
        //
        //Use ClassCleanup to run code after all tests in a class have run
        //[ClassCleanup()]
        //public static void MyClassCleanup()
        //{
        //}
        //
        //Use TestInitialize to run code before running each test
        //[TestInitialize()]
        //public void MyTestInitialize()
        //{
        //}
        //
        //Use TestCleanup to run code after each test has run
        //[TestCleanup()]
        //public void MyTestCleanup()
        //{
        //}
        //
        #endregion

        /// <summary>
        ///A test for Compress
        ///</summary>
        [TestMethod()]
        public void TestCompress()
        {
            FileInfo inFile = new FileInfo(@"\Working\Demo\NazTek.Extension.Clr4.Test\Resource\TestPersonList.txt");
            CompressedFileInfo outFile = inFile.Compress();
            Assert.AreEqual<long>(58347, inFile.Length);
            Assert.AreEqual<long>(11452, outFile.FileInfo.Length);
        }

        /// <summary>
        ///A test for Compress
        ///</summary>
        [TestMethod()]
        public void TestCompress_WithRatio()
        {
            FileInfo inFile = new FileInfo(@"\Working\Demo\NazTek.Extension.Clr4.Test\Resource\TestPersonList.txt");
            CompressedFileInfo outFile = inFile.Compress();
            Assert.AreEqual<float>(80.3726f, outFile.CompressionRatio);
        }

        /// <summary>
        ///A test for Decompress
        ///</summary>
        [TestMethod()]
        public void Test_Decompress()
        {
            FileInfo inFile = new FileInfo(@"\Working\Demo\NazTek.Extension.Clr4.Test\Resource\TestPersonList.txt.gz");
            DirectoryInfo outFolder = inFile.Decompress();
            Assert.AreEqual<long>(11452, inFile.Length);
        }
    }
}
